Sheryl Sandberg helped Google and Facebook become two of the planet's largest, most valuable companies. At Facebook, she helps run the largest network of humans in history. This is the story of how a "bossy" little girl from North Miami rose to become one of the most successful and influential women in the world and a lightning rod for the emotional debate over gender issues in the workplace. "I’m deeply passionate about Facebook's mission," Sandberg says, "and I feel fortunate to be part of a company that is having such a profound impact in the world.”